Tool Specialist Wera presents the 7-piece 847/7 Combination Drill bit set. This set comes with a Raptidaptor quick release for easy switches between the power screwdriver or the chuck of the electric drill. This set is ideal for mobile repair or assembly work. With a hexagonal shaft that ensures great power transfer and a finely tuned material elasticity for increased durability. * Easy cutting * Single hand function so inserting or releasing bits can be done so fast with no unnecessary maneuvers * Perfect chip removal * Precise return movement* **All Wera tools are covered by a lifetime guarantee****Set Includes:*** 1x 888/4/1 K Rapidaptor Universal Bit Holder (1/4"x 50mm)* 847 HSS Combined Tap Bits ( 1x 2.5x36mm, 1x 3.3x39mm, 1x 4.2x41mm, 1x 5x44mm, 1x 6.8x51mm, 1x 8.5x59mm)